1201112022 has 32 divisors (see below), whose sum is σ = 2645115264. Its totient is φ = 360569600.

The previous prime is 1201111993. The next prime is 1201112027. The reversal of 1201112022 is 2202111021.

It is a junction number, because it is equal to n+sod(n) for n = 1201111989 and 1201112007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201112027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77979 + ... + 92102.

It is an arithmetic number, because the mean of its divisors is an integer number (82659852).

Almost surely, 2^1201112022 is an apocalyptic number.

1201112022 is an abundant number, since it is smaller than the sum of its proper divisors (1444003242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201112022 is a wasteful number, since it uses less digits than its factorization.

1201112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170204.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1201112022 is about 34657.0630896503. The cubic root of 1201112022 is about 1062.9867177587.

Adding to 1201112022 its reverse (2202111021), we get a palindrome (3403223043).

The spelling of 1201112022 in words is "one billion, two hundred one million, one hundred twelve thousand, twenty-two".